Evaluare - Circuite electrice. Retele electrice
Quiz
•
Physics
•
8th Grade
•
Practice Problem
•
Hard
Manuela Donici
Used 120+ times
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15 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
In imagine se observa un circuit electric simplu. Ce element de circuit lipseste pentru ca becul sa functioneze?
un rezistor
un intrerupator
o baterie
un consumator
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Circuitul electric din figura functioneaza?
da, deoarece este un circuit electric complet
nu, deoarece este un circuit electric incomplet
nu, deoarece circuitului ii lipseste intrerupatorul
nu, deoarece circuitul este deschis
3.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Elementele componente ale unui circuit electric simplu sunt:
consumator, fire de legatura, bec, intrerupator
baterii, fire de legatura, intrerupatoare, consumatoare
o baterie, un intrerupator, un consumator
o baterie, un intrerupator, un consumator, fire de legatura
4.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Descrie circuitul electric urmator tinand cont de elementele componente:
circuit deschis format din baterie, 2 becuri, fire de legatura si un intrerupator deschis
circuit inchis format din baterie, 2 becuri legate in paralel, fire de legatura si un intrerupator inchis
circuit inchis format din baterie, 2 becuri legate in serie, fire de legatura si un intrerupator inchis
circuit deschis format din baterie, 2 becuri legate in serie, fire de legatura si un intrerupator inchis
5.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Partea izolatoare a unui fir conductor este realizata din:
metal, pentru ca este bun conducator de electricitate
sticla, pentru ca nu se opune trecerii razelor de lumina
plastic, pentru ca impiedica trecerea curentului electric
Firele conductoare nu au parti izolatoare pentru ca rolul lor este de a conduce curentul electric
6.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Cum sunt grupate cele 2 becuri in figura?
in circuitele A, B si C becurile sunt grupate in serie
in circuitele A, B si C becurile sunt grupate in paralel
in circuitul A becurile sunt grupate in serie iar in circuitele B si C becurile sunt grupate in paralel
in circuitul B becurile sunt grupate in serie iar in circuitele A si C becurile sunt grupate in paralel
7.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
Rezistenta echivalenta pentru acest circuit este:
18 Ω
7 kΩ
1,667 Ω
18 kΩ
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